Weather on December 13
Rockford, IL
55 Years of Data
About This Date
December 13th in Rockford, IL typically brings cold winter weather, with average highs around 34°F and lows near 20°F. Over 55 years of records, the warmest December 13th was in 2015 (57°F average), while the coldest was 1985 (-1°F) — a 58°F range across recorded history. Precipitation has occurred on 27% of recorded December 13th dates, with snow falling 9% of the time (heaviest snowfall: 6.6"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 13th in Rockford, IL? Bundle up with warm layers and protect extremities from the cold.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 17° | -1° | 8° | — | — |
| 2024 | 25° | 3° | 14° | — | — |
| 2023 | 41° | 15° | 28° | — | — |
| 2022 | 38° | 33° | 35° | 0.41" | — |
| 2021 | 50° | 27° | 39° | — | — |
| 2020 | 34° | 20° | 27° | — | — |
| 2019 | 42° | 27° | 35° | — | — |
| 2018 | 42° | 19° | 31° | 0.05" | — |
| 2017 | 37° | 22° | 30° | — | — |
| 2016 | 15° | -2° | 7° | — | — |
| 2015warmest | 62° | 52° | 57° | 3.58" | — |
| 2014 | 45° | 32° | 38° | — | — |
| 2013 | 29° | 8° | 19° | — | — |
| 2012 | 48° | 28° | 38° | — | — |
| 2011 | 44° | 36° | 40° | 0.2" | — |
| 2010 | 14° | 4° | 9° | — | — |
| 2009 | 36° | 32° | 34° | — | — |
| 2008 | 38° | 20° | 29° | 0.15" | — |
| 2007 | 31° | 25° | 28° | — | — |
| 2006 | 44° | 32° | 38° | — | — |
| 2005 | 27° | 22° | 24° | — | — |
| 2004 | 29° | 16° | 22° | — | — |
| 2003 | 28° | 9° | 18° | 0.08" | 0.8" |
| 2002 | 43° | 33° | 38° | — | — |
| 2001 | 45° | 29° | 37° | 0.03" | — |
| 2000 | 14° | -13° | 1° | 0.58" | 3.9" |
| 1999 | 39° | 24° | 32° | — | — |
| 1998 | 46° | 22° | 34° | — | — |
| 1997 | 32° | 17° | 25° | — | — |
| 1996 | 37° | 25° | 31° | — | — |
| 1995 | 35° | 17° | 26° | 0.15" | — |
| 1994 | 21° | 8° | 15° | — | — |
| 1993 | 41° | 34° | 37° | 0.03" | — |
| 1992 | 35° | 31° | 33° | — | — |
| 1991 | 40° | 27° | 33° | — | — |
| 1990 | 33° | 18° | 25° | — | — |
| 1989 | 17° | 5° | 11° | 0.25" | 1.9" |
| 1988 | 42° | 31° | 36° | — | — |
| 1987 | 36° | 25° | 30° | — | — |
| 1986 | 24° | -2° | 11° | — | — |
| 1985coldest | 5° | -8° | -1° | — | — |
| 1984 | 36° | 33° | 34° | 0.58" | 1.5" |
| 1983 | 34° | 29° | 31° | — | — |
| 1982 | 37° | 16° | 26° | — | — |
| 1981 | 36° | 29° | 32° | — | — |
| 1980 | 37° | 22° | 29° | — | — |
| 1979 | 31° | 14° | 22° | — | — |
| 1978 | 33° | 19° | 26° | — | — |
| 1977 | 36° | 32° | 34° | — | — |
| 1976 | 18° | -8° | 5° | — | — |
| 1975 | 57° | 35° | 46° | 1.57" | — |
| 1974 | 34° | 30° | 32° | 0.03" | — |
| 1973 | 37° | 18° | 27° | 1.63" | 6.6" |
| 1972 | 20° | 3° | 11° | — | — |
| 1971 | 33° | 16° | 24° | — | — |
Rockford, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rockford, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rockford, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Rockford, IL
Rockford, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.